void Exporter::getChildNodes(INode *node, vector<NiNodeRef>& list)
{
for (int i = 0; i < node->NumberOfChildren(); i++)
{
INode * child = node->GetChildNode(i);
ObjectState os = node->EvalWorldState(0);
bool addBone = false;
bool local = !mFlattenHierarchy;
bool meshGroup = isMeshGroup(node);
TSTR nodeName = node->GetName();
if (wildmatch(TEXT("Bip?? Footsteps"), nodeName))
{
addBone = false;
}
else if (node->IsBoneShowing())
{
addBone = true;
}
else if (os.obj && os.obj->SuperClassID() == GEOMOBJECT_CLASS_ID)
{
Class_ID clsid = os.obj->ClassID();
if (os.obj
&& (clsid == BONE_OBJ_CLASSID
|| clsid == Class_ID(BONE_CLASS_ID, 0)
|| clsid == Class_ID(0x00009125, 0) /* Biped Twist Helpers */
)
)
{
// skip mesh groups in skeleton only situations
if (!meshGroup || !local || !mSkeletonOnly)
addBone = true;
}
else if (!mSkeletonOnly)
{
if (mExportType != NIF_WO_ANIM && isNodeTracked(node)) {
addBone = true;
}
else if (mExportExtraNodes || (mExportType != NIF_WO_ANIM && isNodeKeyed(node))) {
addBone = true;
}
}
else if (mExportCameras && os.obj && os.obj->SuperClassID() == CAMERA_CLASS_ID)
{
addBone = true;
}
else if (meshGroup && local && !mSkeletonOnly) // only create node if local
{
addBone = true;
}
}
if (addBone)
{
list.push_back(getNode(child));
}
getChildNodes(child, list);
}
}
Exporter::Result Exporter::exportMesh(NiNodeRef &ninode, INode *node, TimeValue t)
{
ObjectState os = node->EvalWorldState(t);
bool local = !mFlattenHierarchy;
TriObject *tri = (TriObject *)os.obj->ConvertToType(t, Class_ID(TRIOBJ_CLASS_ID, 0));
if (!tri)
return Skip;
Mesh *copymesh = NULL;
Mesh *mesh = &tri->GetMesh();
Matrix3 mtx(true), rtx(true);
if (Exporter::mCollapseTransforms)
{
mtx = GetNodeLocalTM(node, t);
mtx.NoTrans();
Quat q(mtx);
q.MakeMatrix(rtx);
mesh = copymesh = new Mesh(*mesh);
{
int n = mesh->getNumVerts();
for ( unsigned int i = 0; i < n; ++i ) {
Point3& vert = mesh->getVert(i);
vert = mtx * vert;
}
mesh->checkNormals(TRUE);
#if VERSION_3DSMAX > ((5000<<16)+(15<<8)+0) // Version 6+
MeshNormalSpec *specNorms = mesh->GetSpecifiedNormals ();
if (NULL != specNorms) {
specNorms->CheckNormals();
for ( unsigned int i = 0; i < specNorms->GetNumNormals(); ++i ) {
Point3& norm = specNorms->Normal(i);
norm = (rtx * norm).Normalize();
}
}
#endif
}
}
// Note that calling setVCDisplayData will clear things like normals so we set this up first
vector<Color4> vertColors;
if (mVertexColors)
{
bool hasvc = false;
if (mesh->mapSupport(MAP_ALPHA))
{
mesh->setVCDisplayData(MAP_ALPHA); int n = mesh->getNumVertCol();
if (n > vertColors.size())
vertColors.assign(n, Color4(1.0f, 1.0f, 1.0f, 1.0f));
VertColor *vertCol = mesh->vertColArray;
if (vertCol) {
for (int i=0; i<n; ++i) {
VertColor c = vertCol[ i ];
float a = (c.x + c.y + c.z) / 3.0f;
vertColors[i].a = a;
hasvc |= (a != 1.0f);
}
}
}
if (mesh->mapSupport(0))
{
mesh->setVCDisplayData(0);
VertColor *vertCol = mesh->vertColArray;
int n = mesh->getNumVertCol();
if (n > vertColors.size())
vertColors.assign(n, Color4(1.0f, 1.0f, 1.0f, 1.0f));
if (vertCol) {
for (int i=0; i<n; ++i) {
VertColor col = vertCol[ i ];
vertColors[i] = Color4(col.x, col.y, col.z, vertColors[i].a);
hasvc |= (col.x != 1.0f || col.y != 1.0f || col.z != 1.0f);
}
}
}
if (!hasvc) vertColors.clear();
}
#if VERSION_3DSMAX <= ((5000<<16)+(15<<8)+0) // Version 5
mesh->checkNormals(TRUE);
#else
MeshNormalSpec *specNorms = mesh->GetSpecifiedNormals ();
if (NULL != specNorms) {
specNorms->CheckNormals();
if (specNorms->GetNumNormals() == 0)
mesh->checkNormals(TRUE);
} else {
mesh->checkNormals(TRUE);
}
#endif
Result result = Ok;
Modifier* geomMorpherMod = GetMorpherModifier(node);
bool noSplit = FALSE;
// bool noSplit = (NULL != geomMorpherMod);
while (1)
{
FaceGroups grps;
if (!splitMesh(node, *mesh, grps, t, vertColors, noSplit))
{
result = Error;
break;
}
bool exportStrips = mTriStrips && (Exporter::mNifVersionInt > VER_4_2_2_0);
Matrix44 tm = Matrix44::IDENTITY;
if ( mExportExtraNodes || (mExportType != NIF_WO_ANIM && isNodeKeyed(node) ) ) {
tm = TOMATRIX4(getObjectTransform(node, t, false) * Inverse(getNodeTransform(node, t, false)));
} else {
Matrix33 rot; Vector3 trans;
objectTransform(rot, trans, node, t, local);
tm = Matrix44(trans, rot, 1.0f);
}
tm = TOMATRIX4(Inverse(mtx)) * tm;
TSTR basename = node->NodeName();
TSTR format = (!basename.isNull() && grps.size() > 1) ? "%s:%d" : "%s";
int i=1;
FaceGroups::iterator grp;
for (grp=grps.begin(); grp!=grps.end(); ++grp, ++i)
{
string name = FormatString(format, basename.data(), i);
NiTriBasedGeomRef shape = makeMesh(ninode, getMaterial(node, grp->first), grp->second, exportStrips);
if (shape == NULL)
{
result = Error;
break;
}
if (node->IsHidden())
shape->SetVisibility(false);
shape->SetName(name);
shape->SetLocalTransform(tm);
if (Exporter::mZeroTransforms) {
shape->ApplyTransforms();
}
makeSkin(shape, node, grp->second, t);
if (geomMorpherMod) {
vector<Vector3> verts = shape->GetData()->GetVertices();
exportGeomMorpherControl(geomMorpherMod, verts, shape->GetData()->GetVertexIndices(), shape);
shape->GetData()->SetConsistencyFlags(CT_VOLATILE);
}
}
break;
}
if (tri != os.obj)
tri->DeleteMe();
if (copymesh)
delete copymesh;
return result;
}
